In their book Science Left Behind: Feel-Good Fallacies and the Rise of the Anti-Scientific Left, Alex Berezow and Hank Campbell counter allegations of a Republican war on science by pointing out how political progressives are equally anti-science. According to Berezow and Campbell, progressives hold opinions that are not based on physical reality, and claim that their beliefs are based on science even when they are not.

I try to stay out of politics, but anti-science attitudes should be discouraged wherever they are found, and the mythology of progressives as described by Berezow and Campbell is very much like the thinking of alternative medicine: